sophimers

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Study: Earth has 'Star Trek'-style shield

The University of Colorado Boulder has announced a discovery 7,200 miles above Earth of a protective shield similar to the force fields you might see in "Star Trek."<p>The discovery of this barrier in the Van Allen radiation belts suggests a new explanation for how "killer electrons" are held at bay. …

Drive a spike to star Spica in May

Once you’ve used the Big Dipper to find the orange star Arcturus, you can continue on to find the star Spica, brightest light in the constellation …

Why Was Stonehenge Built? Seven Odd Theories About Mysterious Monument Explained

Researchers recently had the rare chance to thwack the giant megaliths at Stonehenge and noted that they each resonated with sounds like those of metallic or wooden bells. They proposed that the strange monument was once either an ancient long-distance communication system, or a Stone Age church …

Our Universe Just May Exist In A Multiverse After All, Cosmic Inflation Discovery Suggests

The first direct evidence of cosmic inflation — a period of rapid expansion that occurred a fraction of a second after the Big Bang — also supports the idea that our universe is just one of many out there, some researchers say.<p>On Monday (March 17), scientists announced new findings that mark the …

6 Famous Thought Experiments Explained in 1 Minute Each

Einstein once said, “If you can’t explain it simply, you don’t understand it well enough.”<p>The Open University, an online educational institute, took …

ScienceCasts: Two Comets to Fly By Mercury on Nov 18 & 19